Fully updated to reflect the latest cutting-edge discoveries, the Twelfth Edition of Mike Seeds s and Dana Backman s best-selling HORIZONS: EXPLORING THE UNIVERSE, International Edition engages students by focusing on two central questions: How Do We Know? which emphasizes the role of evidence in the scientific process, providing insights into how science works; and What Are We? which highlights our place as planet dwellers in an evolving universe, guiding students to ask questions about where we came from and how we formed a perspective that the study of astronomy is uniquely positioned to...